<template>
	<div class="icons">
		<swiper :options="swiperOption">
			<swiper-slide 
			v-for="(page, index) of pages"
			:key="index"
			>
				<div 
				class="icon" 
				v-for="item of page" 
				:key="item.id"
				>
					<div class="icon-img">
						<img class="icon-img-content" :src="item.imgUrl" />
					</div>
					<p class="icon-desc">{{item.desc}}</p>
				</div>
			</swiper-slide>
		</swiper>
	</div>
</template>
<script>
	export default {
		name: 'HomeIcons',	
		props: {
			list: Array
		},
		data () {
			return {
				swiperOption: {
					autoplay: false
				}
			}
		},
		computed: {
			pages () {
				const pages = []
				this.list.forEach((item, index) => {
					const page = Math.floor(index / 8)
					if(!pages[page]) {
						pages[page] = []
					}
					pages[page].push(item)
				})
				return pages
			}
		}
	}
</script>

<style lang="stylus" scoped>
	@import '~styles/varibles.styl'
	@import '~styles/mixins.styl'
		.icons >>> .swiper-container
			height: 0
			padding-bottom: 50%
		.icons
			margin-top: .1rem
			.icon{
				position: relative
				overflow: hidden
				float: left
				width: 25%
				height: 0
				padding-bottom: 25%
				.icon-img{
					position: absolute
					top: 0
					left: 0
					right: 0
					bottom: .44rem
					box-sizing: border-box
					padding: .1rem
					.icon-img-content{
						display: block
						margin: 0 auto
						height: 100%

					}
				}
				.icon-desc{
					position: absolute
					left: 0
					right: 0
					bottom: 0
					height: .44rem
					line-height: .44rem
					text-align: center
					color: 	$darkTextColor
					ellipsis()
				}
			}
	
</style>